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我目前正在使用wcf服务，而服务正在运行localhost.I在Wcf服务中有一些方法。当我想通过键入例如http://localhost:50028/StudentService.svc/GetAllStudent/ 其显示以下错误来访问本地主机的方法时，我正面临一些错误。WCF服务方法不起作用
**
Request Error
The server encountered an error processing the request. Please see the service help page for constructing valid requests to the service.
** 这里是我的代码的形式WCF服务....
[ServiceContract]
public interface IStudentService
{
[OperationContract]
[WebInvoke(Method = "GET",
RequestFormat = WebMessageFormat.Json,
ResponseFormat = WebMessageFormat.Json,
UriTemplate = "/GetAllStudent/")]
List<StudentDataContract> GetAllStudent();
[OperationContract]
[WebGet(RequestFormat = WebMessageFormat.Json,
ResponseFormat = WebMessageFormat.Json,
UriTemplate = "/GetStudentDetails/{StudentId}")]
StudentDataContract GetStudentDetails(string StudentId);
[OperationContract]
[WebInvoke(Method = "POST",
RequestFormat = WebMessageFormat.Json,
ResponseFormat = WebMessageFormat.Json,
UriTemplate = "/AddNewStudent")]
bool AddNewStudent(StudentDataContract student);
[OperationContract]
[WebInvoke(Method = "PUT",
RequestFormat = WebMessageFormat.Json,
ResponseFormat = WebMessageFormat.Json,
UriTemplate = "/UpdateStudent")]
void UpdateStudent(StudentDataContract contact);
[OperationContract]
[WebInvoke(Method = "DELETE",
RequestFormat = WebMessageFormat.Json,
ResponseFormat = WebMessageFormat.Json,
UriTemplate = "DeleteStudent/{StudentId}")]
void DeleteStudent(string StudentId);
}
}
这是我实现的代码...
public class StudentService : IStudentService
{
StudentManagementEntities ctx;
public StudentService()
{
ctx = new StudentManagementEntities();
}
public List<StudentDataContract> GetAllStudent()
{
//if (HttpContext.Current.Request.HttpMethod == "GetAllStudent")
// return null;
var query = (from a in ctx.Students
select a).Distinct();
List<StudentDataContract> studentList = new List<StudentDataContract>();
query.ToList().ForEach(rec =>
{
studentList.Add(new StudentDataContract
{
StudentID = Convert.ToString(rec.StudentID),
Name = rec.Name,
Email = rec.Email,
EnrollYear = rec.EnrollYear,
Class = rec.Class,
City = rec.City,
Country = rec.Country
});
});
return studentList;
}
public StudentDataContract GetStudentDetails(string StudentId)
{
StudentDataContract student = new StudentDataContract();
try
{
int Emp_ID = Convert.ToInt32(StudentId);
var query = (from a in ctx.Students
where a.StudentID.Equals(Emp_ID)
select a).Distinct().FirstOrDefault();
student.StudentID = Convert.ToString(query.StudentID);
student.Name = query.Name;
student.Email = query.Email;
student.EnrollYear = query.EnrollYear;
student.Class = query.Class;
student.City = query.City;
student.Country = query.Country;
}
catch (Exception ex)
{
throw new FaultException<string>
(ex.Message);
}
return student;
}
public bool AddNewStudent(StudentDataContract student)
{
try
{
Student std = ctx.Students.Create();
std.Name = student.Name;
std.Email = student.Email;
std.Class = student.Class;
std.EnrollYear = student.EnrollYear;
std.City = student.City;
std.Country = student.Country;
ctx.Students.Add(std);
ctx.SaveChanges();
}
catch (Exception ex)
{
throw new FaultException<string>
(ex.Message);
}
return true;
}
public void UpdateStudent(StudentDataContract student)
{
try
{
int Stud_Id = Convert.ToInt32(student.StudentID);
Student std = ctx.Students.Where(rec => rec.StudentID == Stud_Id).FirstOrDefault();
std.Name = student.Name;
std.Email = student.Email;
std.Class = student.Class;
std.EnrollYear = student.EnrollYear;
std.City = student.City;
std.Country = student.Country;
ctx.SaveChanges();
}
catch (Exception ex)
{
throw new FaultException<string>
(ex.Message);
}
}
public void DeleteStudent(string StudentId)
{
try
{
int Stud_Id = Convert.ToInt32(StudentId);
Student std = ctx.Students.Where(rec => rec.StudentID == Stud_Id).FirstOrDefault();
ctx.Students.Remove(std);
ctx.SaveChanges();
}
catch (Exception ex)
{
throw new FaultException<string>
(ex.Message);
}
}
}
}
这里是web.config文件..
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<configSections>
<!-- For more information on Entity Framework configuration, visit http://go.microsoft.com/fwlink/?LinkID=237468 -->
<section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=5.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
</configSections>
<appSettings>
<add key="aspnet:UseTaskFriendlySynchronizationContext" value="true" />
</appSettings>
<system.web>
<compilation debug="true" targetFramework="4.5">
<assemblies>
<add assembly="System.Data.Entity, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
</assemblies>
</compilation>
<httpRuntime targetFramework="4.5" />
</system.web>
<system.serviceModel>
<behaviors>
<serviceBehaviors>
<behavior>
<!-- To avoid disclosing metadata information, set the values below to false before deployment -->
<serviceMetadata httpGetEnabled="true" httpsGetEnabled="true" />
<!-- To receive exception details in faults for debugging purposes, set the value below to true. Set to false before deployment to avoid disclosing exception information -->
<serviceDebug includeExceptionDetailInFaults="false" />
</behavior>
</serviceBehaviors>
<endpointBehaviors>
<behavior>
<webHttp helpEnabled="True"/>
</behavior>
</endpointBehaviors>
</behaviors>
<protocolMapping>
<add binding="webHttpBinding" scheme="http" />
</protocolMapping>
<serviceHostingEnvironment aspNetCompatibilityEnabled="true" multipleSiteBindingsEnabled="true" />
</system.serviceModel>
<system.webServer>
<modules runAllManagedModulesForAllRequests="true" />
<!--
To browse web app root directory during debugging, set the value below to true.
Set to false before deployment to avoid disclosing web app folder information.
-->
<directoryBrowse enabled="true" />
</system.webServer>
<connectionStrings>
<add name="StudentManagementEntities" connectionString="metadata=res://*/SchoolManagement.csdl|res://*/SchoolManagement.ssdl|res://*/SchoolManagement.msl;provider=System.Data.SqlClient;provider connection string="data source=KHUNDOKARNIRJOR\KHUNDOKERNIRJOR;initial catalog=Student;integrated security=True;MultipleActiveResultSets=True;App=EntityFramework"" providerName="System.Data.EntityClient" />
</connectionStrings>
<entityFramework>
<defaultConnectionFactory type="System.Data.Entity.Infrastructure.SqlConnectionFactory, EntityFramework" />
<providers>
<provider invariantName="System.Data.SqlClient" type="System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer" />
</providers>
</entityFramework>
</configuration>
我无法从本地主机它总是显示此错误
请求错误 服务器遇到错误处理请求访问。请参阅服务帮助页面以构建对服务的有效请求。
这里是截屏
请任何帮助，将不胜感激..
我更新了我的问题 – Rasel